public class Dogs extends Animal{
    public void bark(){
        System.out.println(this.name + "正在汪汪叫...");
    }

    static {
        System.out.println("static :: Dog{}");
    }

    {
        System.out.println("实例代码块 Dog{}");
    }

    public Dogs(){
        System.out.println("Dog()....");
    }

    public static void main(String[] args) {
        final int a = 10;
        //a = 20;
        System.out.println(a);
    }
}
